Configuration Guide User guide
288 FastIron Configuration Guide
53-1002494-02
Brocade IronStack management
To remove the configuration from a specific IronStack unit, or from the entire stack, enter a
command similar to the following.
Brocade# stack unconfigure me
Syntax: stack unconfigure [<stack-unit> | all | me | clean| rollback]
• <stack-unit> - Unconfigure the stack member with this ID
• all - Unconfigure every unit including this unit
• me - Unconfigure this unit only
• clean - Removes all startup configuration files including v4 and v5 and makes this a clean unit
• rollback - Recovers the earlier version (4 or 3) of a startup configuration (refer to “Recovering
an earlier version of a stack configuration” on page 288)
NOTE
The stack unconfigure me command is available to all units, while stack unconfigure all and stack
unconfigure <stack-unit> are available on the Active Controller only.
The following example shows a session where stack unit 2 is unconfigured.
Brocade# show stack
alone: standalone, D: dynamic config, S: static config
ID Type Role Mac Address Pri State Comment
1 S FCX624 active 0012.f2eb.a900 128 local Ready
2 S FCX648 standby 00f0.424f.4243 0 remote Ready
3 S FCX624 member 00e0.5201.0100 0 remote Ready
Brocade# stack unconfigure 2
Will recover pre-stacking startup config of this unit, and reset it. Are you sure?
(enter 'y' or 'n'): y
Stack 2 deletes stack bootup flash and recover startup-config.txt from .old
Brocade# show stack
alone: standalone, D: dynamic config, S: static config
ID Type Role Mac Address Pri State Comment
1 S FCX624 active 0012.f2eb.a900 128 local Ready
2 S FCX648 member 0000.0000.0000 0 reserved
3 S FCX624 standby 00e0.5201.0100 0 remote Ready
When the stack unconfigure 2 command is issued, stack unit 2 recovers the startup-config.txt from
the startup-config.old configuration file that was saved when this unit downloaded its configuration
from the Active Controller. As the output shows, stack member 2 has been removed from the stack,
and ID 2 is now is reserved for a replacement unit. Stack member 3 is now the Standby Controller.
Recovering an earlier version of a stack configuration
The stack unconfigure rollback command recovers the earlier, non-stacking version (4.X or 3X) of a
startup configuration. When a system that is running stacking (05.X and later) discovers that its
startup configuration is an earlier version, it saves this configuration to a startup-config.v4 file
when a write memory command is issued, or when the Active Controller tries to synchronize all
startup configurations. The stack unconfigure rollback command is similar to the stack
unconfigure command except that it does not remove “stack enable” from the run time or startup
configuration.